# notEqual

`import { notEqual } from "destack";`

Return elementwise inequality.

Return a lane mask for inequality.

```ds title="notEqual"
export declare function notEqual<T, const Rank: usize>(left: Tensor<T, Rank>, right: Tensor<T, Rank>, options?: TensorOutputOptions<boolean, Rank> | undefined): Tensor<boolean, Rank>
```

[language/library/src/tensor/ops.ds:179:183](https://github.com/destack-sh/destack/blob/main/language/library/src/tensor/ops.ds#L179-L183)

```ds title="notEqual"
export declare function notEqual<T, const N: usize>(left: Vector<T, N>, right: Vector<T, N>): Mask<N>
```

[language/library/src/math/vector.ds:85:88](https://github.com/destack-sh/destack/blob/main/language/library/src/math/vector.ds#L85-L88)